VDB
CVE-2023-53504
CVE-2023-53504
PUBLISHED
CVSS 7.8 HIGH
RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF
Reported by linux · Published October 1, 2025
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Properly order ib_device_unalloc() to avoid UAF ib_dealloc_device() should be called only after device cleanup. Fix the dealloc sequence.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 6.4.11 |
Risk scores
CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 6d758147c7b80a46465f72e9e6294d244ee98a21, 6d758147c7b80a46465f72e9e6294d244ee98a21 |
| Linux | Linux | 6.3, 0, 6.4.11 |
| Linux | Linux | 6d758147c7b80a46465f72e9e6294d244ee98a21, 6.5, 6.3 |
| linux | linux_kernel | 6.3, 6.3 |
Timeline
- Oct 1, 2025 CVE Published
- Oct 2, 2025 Coalition ESS Score (14 in total, the first dated here)
- Oct 8, 2025 EPSS Score (29 in total, the first dated here)
- Oct 12, 2025 PoC Published (6 in total, the first dated here)
- Jan 24, 2026 Security Advisory (43 in total, the first dated here)
- Oct 7, 2026 Distribution Patch (33 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2023-53504
vulnetix vdb fixes CVE-2023-53504
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2023-53504/fixes/registry"
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